New CalTopo LiDAR Elevation Data (What is LiDAR?)
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For map lovers, CalTopo / SARTopo has added new high-resolution LiDAR elevation data to some of their map coverage. This quick video will show you why the new LiDAR data is excellent, how the elevation data (DEM) has evolved, and what we can expect moving forward with digital maps.
- UNDERSTAND TOPO MAPS: https://www.youtube.com/watch?v=cl9fqdL9B_8
- WHAT ARE WITNESS POSTS: https://www.youtube.com/watch?v=P444qERDbnA
- CALTOPO ANNOUNCEMENT: https://blog.caltopo.com/2022/05/27/latest-high-resolution-elevation-data-updates/
- 3DEP: https://www.usgs.gov/3d-elevation-program
- 3DEP Explorer: https://prd-tnm.s3.amazonaws.com/LidarExplorer/index.html
- Historic Topos: https://livingatlas.arcgis.com/topoexplorer/index.html
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